:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --panel-2: #232d3a;
  --fg: #e6edf3;
  --muted: #9ba7b4;
  --accent: #4c8dff;
  --danger: #ef4444;
  --ok: #22c55e;
  --warn: #f59e0b;
  --border: #2b3643;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--danger); }
code { background: var(--panel-2); padding: 1px 4px; border-radius: 4px; }

/* Login */
.login-card {
  max-width: 360px;
  margin: 12vh auto;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.login-card h1 { margin: 0 0 4px; }
.login-card input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
}

/* Topbar + layout */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar strong { font-size: 16px; }
.topbar #safety-note { flex: 1; font-size: 12px; }
.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 0;
  height: calc(100vh - 49px);
}
.sidebar {
  padding: 16px;
  border-right: 1px solid var(--border);
  overflow: auto;
  background: var(--panel);
}
.stream {
  padding: 16px;
  overflow: auto;
  position: relative;
}

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.field.row { display: flex; gap: 8px; }
select, textarea {
  width: 100%;
  padding: 9px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  font-family: inherit;
}
button {
  padding: 9px 14px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 600;
}
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--fg); font-weight: 500; }
button.small { padding: 5px 9px; font-size: 12px; margin-top: 6px; }
button.danger { background: var(--danger); }
button:disabled { opacity: 0.45; cursor: not-allowed; }

.status {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--panel-2);
  font-size: 13px;
  text-transform: capitalize;
}
.status.running { color: var(--accent); }
.status.awaiting_confirm { color: var(--warn); }
.status.done { color: var(--ok); }
.status.error, .status.stopped { color: var(--danger); }
.status.needs_user { color: var(--warn); }

/* Steps */
.step {
  display: flex;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 10px;
  background: var(--panel);
}
.step.confirm-step { border-color: var(--warn); }
.step .thumb {
  width: 72px;
  min-width: 72px;
  height: 128px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--panel-2);
}
.step .body { flex: 1; }
.step .n { color: var(--muted); font-size: 12px; }
.step .thought { margin: 4px 0; }
.step .action { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; color: var(--accent); }
.step .result { color: var(--muted); font-size: 13px; margin-top: 4px; }
.step .risk { color: var(--warn); font-size: 12px; margin-top: 4px; }

.confirm {
  position: sticky;
  bottom: 0;
  background: var(--panel-2);
  border: 1px solid var(--warn);
  border-radius: 10px;
  padding: 14px;
}
.confirm .row { margin-top: 10px; display: flex; gap: 8px; }

.settings summary { cursor: pointer; color: var(--muted); }
.settings ul { padding-left: 18px; }

@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; height: auto; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--border); }
}

/* AI model picker */
#provider-select, #model-select, #model-filter { width: 100%; margin-bottom: 6px; }
#model-select { min-height: 32px; }
label.checkbox {
  display: flex; align-items: center; gap: 6px;
  font-weight: 400; color: var(--muted); margin-bottom: 6px; cursor: pointer;
}
label.checkbox input { width: auto; margin: 0; }
#model-active { margin-top: 4px; font-weight: 600; }
#model-note { margin-top: 2px; }